In StockRebuild Kit for Mitsubishi S4K S4KT Engine For Caterpillar CAT E120B E312 E320 Excavator
For CaterpillarOverhaul Kits

Overhaul Kits E312 for Caterpillar

OEM / REF: E312SKU: pilotpart263579

Rebuild Kit for Mitsubishi S4K S4KT Engine For Caterpillar CAT E120B E312 E320 Excavator is a Overhaul Kits replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number E312 and confirm machine model, engine model, and serial details before checkout.

Stock
In stock
Condition
New
Fitment
Caterpillar Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Overhaul Kits Description

This Overhaul Kits is indexed for Caterpillar s: for Mitsubishi S4K S4KT Engine For Caterpillar CAT E120B E312 E320 Excavator Item includes: 1 set Full gasekt kit 4 pcs Liner Cylinder 4 pcs Piston,STD size 4 set Ring set for 4 pistons.STD size 4 pcs Piston Pin 8 pcs Pin Clips 4 pcs Intake Valves 4 pcs Exhaust Valves 8 pcs Valve Guides 4 pcs Intake Valves Seats 4 pcs Exhaust Valves Seats 1 set Crankshaft bearing.STD size 1 set Connect Rod Bearing.STD size 1 Set Thrust washer. STD size. Compare reference number E312 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: E320, ATKU0327. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

E312E320ATKU0327

Applications

  • Caterpillar s: for Mitsubishi S4K S4KT Engine For Caterpillar CAT E120B E312 E320 Excavator Item includes: 1 set Full gasekt kit 4 pcs Liner Cylinder 4 pcs Piston,STD size 4 set Ring set for 4 pistons.STD size 4 pcs Piston Pin 8 pcs Pin Clips 4 pcs Intake Valves 4 pcs Exhaust Valves 8 pcs Valve Guides 4 pcs Intake Valves Seats 4 pcs Exhaust Valves Seats 1 set Crankshaft bearing.STD size 1 set Connect Rod Bearing.STD size 1 Set Thrust washer. STD size

Fitment Notes

Brand or application signal
Caterpillar Engine Spare Parts
Product family
Overhaul Kits
System category
Engine Spare Parts > Cylinder Components > Overhaul Kits
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.